<p>
    <label class="w3-text-red">
        <b>第一句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="金坷垃好处都有啥">
</p>

<p>
    <label class="w3-text-red">
        <b>第二句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="谁说对了就给他">
</p>

<p>
    <label class="w3-text-blue">
        <b>第三句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="肥料掺了金坷垃">
</p>

<p>
    <label class="w3-text-blue">
        <b>第四句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="不流失 不蒸发 零浪费">
</p>

<p>
    <label class="w3-text-green">
        <b>第五句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="肥料掺了金坷垃">
</p>

<p>
    <label class="w3-text-green">
        <b>第六句</b>
    </label>
    <input class="w3-input w3-border" name="first" type="text" placeholder="能吸收两米下的氮磷钾">
</p>

<div id="result"></div>

<p>
    <button id="submit_btn" class="w3-btn w3-blue">生成</button>
</p>